Sound Meter: dB Level Detector

Real-time dB meter, dosimeter & frequency analyzer. Track noise exposure, record sessions, get alerts — professional sound measurement in your pocket.

Turn your iPhone into a professional-grade sound level meter.

dBMeter measures your environment in real time with precision — from a quiet library to a roaring concert. Whether you're protecting your hearing at work, checking noise levels at home, or monitoring a live event, dBMeter gives you the data you need.

REAL-TIME MEASUREMENT • Live decibel (dB) and frequency (Hz) readings • Color-coded sound level indicator with environment context • Visual meter bar with instant response • Tap to switch between dB and Hz display

HEARING PROTECTION • Built-in Dosimeter tracks your daily noise dose • NIOSH and OSHA standards with exchange rate comparison • Time-Weighted Average (TWA) and projected dose • 7-day exposure history • Threshold alerts — get notified the moment sound exceeds your limit

RECORD & ANALYZE • Save unlimited sessions with full waveform charts • Combined dB + frequency timeline • GPS location tagging — remember exactly where you measured • Add notes to any recording • Export as CSV or PDF report

CAMERA MODE • Capture photos and videos with live dB overlay • Perfect for documenting noise complaints or job site conditions

BACKGROUND MONITORING • Keep measuring even when the app is in the background • Threshold alerts fire even with the screen off

PRIVACY FIRST • All data stays on your device — nothing is sent to servers • No account required

PROFESSIONAL TOOLS • Calibration offset for accurate readings with external microphones • Haptic feedback on loud peaks

Note: Smartphone microphones have an accuracy of approximately ±2–5 dB. dBMeter is designed as a practical monitoring tool and should not be used as a substitute for certified measurement equipment in regulated environments.

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